Starting August 1, 46 mandatory national standards and 442 recommended national standards will come into effect. These include key standards for energy consumption limits of related products, water usage quotas in the Yellow River Basin, household solar water heating systems, brain-computer interfaces, digital twins, BeiDou applications, photovoltaic power generation systems, green product evaluation, and tourism services. These standards will provide essential support for guiding and regulating the development of emerging and future industries, promoting environmental protection and green development, improving the quality of life for the people, and driving high-quality development of the national economy.

The mandatory national standards Energy Consumption Limits for Coal Mining Unit Products (GB 29445—2025) and Energy Consumption Limits for Formaldehyde Unit Products (GB 46029—2025) stipulate three levels of energy consumption limits for coal mining and formaldehyde unit products, the energy consumption limit values for each level, and the statistical scope and calculation methods. The implementation of these two standards will support the structural adjustment of the coal and formaldehyde industries, facilitate the implementation of energy-saving and emission-reduction policies, phase out outdated production capacity, and help comprehensively improve China's energy-saving and emission-reduction technology level.

The mandatory national standards for water usage quotas in the Yellow River Basin include four standards for the service industry, such as Water Usage Quotas for Service Industries in the Yellow River Basin Part 3: Car Wash Places (GB 45670.3—2026) and Water Usage Quotas for Service Industries in the Yellow River Basin Part 4: Bathing Places (GB 45670.4—2026), covering areas like car washes, bathhouses, universities, and outdoor artificial ski slopes. Additionally, ten mandatory national standards for industrial water usage quotas, such as Water Usage Quotas for Industries in the Yellow River Basin Part 5: Steel (GB 45669.5—2026) and Water Usage Quotas for Industries in the Yellow River Basin Part 6: Petroleum Refining (GB 45669.6—2026), specify the calculation methods, target values, and management requirements for mandatory water usage quotas in industries like steel, petroleum refining, and coal-to-methanol. The implementation of this series of standards will effectively promote water-saving transformations in high-water-consuming industries and facilitate the conservation and intensive use of water resources.

The mandatory national standard Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Household Solar Water Heating Systems (GB 26969—2025) specifies three energy efficiency grades, the energy efficiency limit values for each grade, and the testing and calculation methods. The recommended national standard Technical Conditions for Household Solar Water Heating Systems (GB/T 19141—2026) defines product classification and marking, design and installation requirements, technical specifications, test methods, inspection rules, document preparation, and packaging, transportation, and storage. The implementation of these two standards will help improve the product quality and energy efficiency of household solar water heating systems, promote healthy market competition, and provide consumers with scientific purchasing guidance.

The recommended national standard Information Technology - Brain-Computer Interface - Reference Architecture (GB/T 47023—2026) specifies the reference architecture, user view, and functional view of brain-computer interfaces. The recommended national standard Information Technology - Brain-Computer Interface - Multimodal Data Format (GB/T 47127—2026) specifies the overall structure, directory hierarchy, and content and naming conventions for different types of data files in multimodal brain-computer interface data formats. The implementation of these two standards will provide a common framework and unified data format for different research institutions and enterprises, enabling more unified and efficient development, testing, and application of various brain-computer interface systems, thus aiding the popularization and application of brain-computer interface technology.

The recommended national standard Information Technology - Digital Twin - Part 2: Digital Entity (GB/T 43441.2—2026) specifies the constituent elements of digital entities in digital twin systems, the construction process of digital entities, and the management of digital entities. The recommended national standard Information Technology - Digital Twin - Part 3: Information Interaction (GB/T 43441.3—2026) specifies the conceptual framework for digital twin information interaction, including requirements for measurement perception, feedback control, service invocation, data output, interaction within digital entities, and interaction between digital entities. The implementation of these two standards will help ensure the standardization and compatibility of digital entities across different scenarios and manufacturers, provide technical support for the design, development, and implementation of digital twin systems, and facilitate the collaborative development and ecological construction of the digital twin upstream and downstream industries.

Six recommended national standards for BeiDou applications, including BeiDou Satellite-Based Augmentation System Space Signal Interface Specification Part 2: Dual-Frequency Enhanced Service Signal BDSBAS-B2a (GB/T 42832.2—2026), Calibration Method for Absolute Phase Center Outdoors of BeiDou/Global Navigation Satellite System (GNSS) Surveying Antennas (GB/T 47422—2026), Interface Specification for Forward Link and Return Link of BeiDou International Search and Rescue Service (GB/T 47423—2026), Technical Requirements and Test Methods for BeiDou Precise Point Positioning (PPP) Service Based on Mobile Communication Networks (GB/T 47424—2026), Performance Requirements and Test Methods for BeiDou International Search and Rescue Return Link Navigation Module (GB/T 47425—2026), and General Specification for High-Orbit Spaceborne BeiDou/GNSS Receiver (GB/T 47426—2026), respectively stipulate requirements for the BeiDou satellite-based augmentation system, BeiDou/GNSS surveying antennas, BeiDou international search and rescue link interfaces and navigation module performance, BeiDou precise point positioning services, and high-orbit spaceborne BeiDou/GNSS receivers. The implementation of this series of standards will promote the effective connection of the BeiDou industry chain, drive the marketization, industrialization, scaling, and internationalization of BeiDou applications, help capture the global satellite navigation application market, and enhance China's voice and influence in the international satellite navigation field.

The recommended national standard Guidelines for Modeling of Photovoltaic Power Generation System (GB/T 32826—2026) specifies the basic technical requirements for modeling photovoltaic power generation systems used in power system analysis and calculation, including power flow calculation models, electromechanical transient models, and electromagnetic transient models. The recommended national standard Test Procedure for Photovoltaic Power System Model and Parameters (GB/T 32892—2026) specifies the technical requirements for electromechanical transient model verification and parameter testing of photovoltaic power generation systems. The recommended national standard Specification for Grid-Connected Operation Control of Photovoltaic Power Station (GB/T 33599—2026) specifies the basic requirements, operational management, power prediction, generation planning, power control, relay protection and safety automatic device operation, power communication operation, dispatch automation operation, and verification methods for grid-connected operation control of photovoltaic power stations. The implementation of this series of standards will provide foundational models and platform support for power grid planning, design, and dispatch operation, offer technical support for the planning, design, and dispatch operation of large-scale photovoltaic power generation connected to the grid, and help ensure the safe and stable operation of the power grid.

The four recommended national standards for green product evaluation, including Green Product Evaluation - Steel Pipe (GB/T 47090—2026), Green Product Evaluation - Roofing Tile (GB/T 47095—2026), Green Product Evaluation - Cement (GB/T 47096—2026), and Green Product Evaluation - Road Construction Products (GB/T 47103—2026), provide evaluation indicators for these four product categories from five dimensions: resource attributes, environmental attributes, energy attributes, quality attributes, and low-carbon attributes. The implementation of these four standards will effectively enhance the green design level, product quality, and market competitiveness of these four product categories, guiding and promoting the green and high-quality development of related industries.

The recommended national standard Service Quality Requirements for Tourist Shopping Places (GB/T 26356—2026) specifies the basic requirements for tourist shopping places, including service venues, service facilities, service functions, service specifications, and requirements for tourist commodities. The recommended national standard Specification for Accessible Tourism Service - Tourist Hotel (GB/T 47543—2026) specifies the overall requirements, general accessibility rules, accessible services, accessible personnel, and accessible service evaluation and improvement for accessible tourist hotels. The recommended national standard Service Requirements for Senior Tourism Organized by Travel Agencies (GB/T 47540—2026) specifies requirements for product design, service provision, safety assurance and emergency response, and service improvement and complaint handling for travel agencies organizing tourism activities for senior tourists. The implementation of these three standards will help improve the service quality of tourist shopping places, promote the development of age-friendly and accessible services in tourist hotels, effectively regulate the order of the senior tourism market, and promote the healthy development of China's tourism industry.